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implement sector commitments and proof verification

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This commit is contained in:
whyrusleeping
2019-08-06 23:35:57 -07:00
parent e43ee3cdb9
commit b7c6333fef
12 changed files with 379 additions and 30 deletions
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lib/sectorbuilder/sectorbuilder.go
+24 -6
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@@ -2,6 +2,7 @@ package sectorbuilder
import (
"context"
"encoding/binary"
"unsafe"
"github.com/filecoin-project/go-lotus/chain/address"
@@ -29,10 +30,9 @@ type SectorBuilderConfig struct {
}
func New(cfg *SectorBuilderConfig) (*SectorBuilder, error) {
var proverId [31]byte
copy(proverId[:], cfg.Miner.Payload())
proverId := addressToProverID(cfg.Miner)
sbp, err := sectorbuilder.InitSectorBuilder(cfg.SectorSize, 2, 2, 1, cfg.MetadataDir, [31]byte{}, cfg.SealedDir, cfg.StagedDir, 16)
sbp, err := sectorbuilder.InitSectorBuilder(cfg.SectorSize, 2, 2, 1, cfg.MetadataDir, proverId, cfg.SealedDir, cfg.StagedDir, 16)
if err != nil {
return nil, err
}
@@ -42,6 +42,18 @@ func New(cfg *SectorBuilderConfig) (*SectorBuilder, error) {
}, nil
}
func addressToProverID(a address.Address) [31]byte {
var proverId [31]byte
copy(proverId[:], a.Payload())
return proverId
}
func sectorIDtoBytes(sid uint64) [31]byte {
var out [31]byte
binary.LittleEndian.PutUint64(out[:], sid)
return out
}
func (sb *SectorBuilder) Run(ctx context.Context) {
go sb.pollForSealedSectors(ctx)
}
@@ -84,9 +96,15 @@ func (sb *SectorBuilder) SealedSectorChan() <-chan SectorSealingStatus {
var UserBytesForSectorSize = sectorbuilder.GetMaxUserBytesPerStagedSector
func VerifySeal(sectorSize uint64, commR, commD, commRStar [CommLen]byte, proverID address.Address, sectorID uint64, proof []byte) (bool, error) {
panic("TODO")
// return sectorbuilder.VerifySeal(sectorSize, commR, commD, commRStar, providerID, sectorID, proof)
func VerifySeal(sectorSize uint64, commR, commD, commRStar []byte, proverID address.Address, sectorID uint64, proof []byte) (bool, error) {
var commRa, commDa, commRStara [32]byte
copy(commRa[:], commR)
copy(commDa[:], commD)
copy(commRStara[:], commRStar)
proverIDa := addressToProverID(proverID)
sectorIDa := sectorIDtoBytes(sectorID)
return sectorbuilder.VerifySeal(sectorSize, commRa, commDa, commRStara, proverIDa, sectorIDa, proof)
}
func VerifyPost(sectorSize uint64, sortedCommRs [][CommLen]byte, challengeSeed [CommLen]byte, proofs [][]byte, faults []uint64) (bool, error) {